News tagged with planet migration
Discovery of a Retrograde or Highly Tilted Extrasolar Planet
Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing current ...
Nov 18, 2009 |
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Scientists Find Asteroids Are Missing, and Possibly Why
(PhysOrg.com) -- The patterns of missing asteroids are like the footprints of wandering giant planets preserved in the asteroid belt.
Space & Earth / Space Exploration
Feb 25, 2009 |
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How Martian winds make rocks walk
Rocks on Mars are on the move, rolling into the wind and forming organized patterns, according to new research.
Space & Earth / Space Exploration
Jan 08, 2009 |
4.8 / 5 (5) |
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Search results for planet migration
Plump up the clay: Carbon dioxide moves into and expands a common mineral in carbon sequestration caprocks
(Phys.org) -- For the first time, scientists have direct evidence that high-pressure carbon dioxide or CO2 migrates into the clay montmorillonite causing it to expand, according to scientists at Pacific Northwest ...
May 18, 2012 |
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Scientists measure Martian sand movement: Dune migration rates appear to be similar to those on Earth
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot ...
Space & Earth / Space Exploration
May 09, 2012 |
5 / 5 (4) |
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Some giant planets in other systems most likely to be alone
In the search for Earth-like planets, it is helpful to look for clues and patterns that can help scientist narrow down the types of systems where potentially habitable planets are likely to be discovered. ...
May 07, 2012 |
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Splatters of molten rock signal period of intense asteroid impacts on Earth
New research reveals that the Archean era — a formative time for early life from 3.8 billion years ago to 2.5 billion years ago — experienced far more major asteroid impacts than had been previously ...
Space & Earth / Space Exploration
Apr 25, 2012 |
4.6 / 5 (7) |
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Oceans apart: New research suggests that ocean-crust formation is a dynamic process
Three-fifths of Earth’s crust lies underwater, spread out along the seafloor. More than four cubic miles of ocean crust forms each year, constantly regenerating like new skin across the globe. This ocean ...
Space & Earth / Earth Sciences
Apr 10, 2012 |
5 / 5 (1) |
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When stellar metallicity sparks planet formation
New research predicts the criteria needed for Earth-like planets to form around a star that have one-tenth the metallicity of our Sun. If researchers find small, rocky planets orbiting stars with lower metallicity, ...
Apr 10, 2012 |
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Scientists track radioactive iodine from Japan nuclear reactor meltdown
Using a new investigative methodology, Dartmouth researchers have found and tracked radioactive iodine in New Hampshire from the Fukushima Daiichi nuclear disaster.
Apr 02, 2012 |
5 / 5 (2) |
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World scientists define united approach to tackling food insecurity
Nearly one billion people in the world are undernourished, while millions suffer from chronic disease due to excess food consumption. Global demand is growing for agricultural products and food prices are rising, yet roughly ...
Mar 28, 2012 |
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The earliest stages of planet formation
(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in ...
Mar 26, 2012 |
4.7 / 5 (3) |
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A close-up view of Mercury: Researchers find the planet may have had a dynamic past
New observations from a spacecraft orbiting Mercury have revealed that the tiny, pockmarked planet harbors a highly unusual interior — and the craft’s glimpse of Mercury’s surface topography ...
Space & Earth / Space Exploration
Mar 22, 2012 |
4.4 / 5 (8) |
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List of search results for planet migration
